Southwest® flights from Charleston to Baltimore/Washington from $99

Promo Code

Low fares from Charleston to Baltimore/Washington

$

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 12/08/2026

One-way

Basic

From
$99
Seen: 19 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 12/15/2026

One-way

Basic

From
$99
Seen: 22 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 10/13/2026

One-way

Basic

From
$99
Seen: 16 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 12/03/2026

One-way

Basic

From
$99
Seen: 22 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 10/07/2026

One-way

Basic

From
$99
Seen: 8 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 11/04/2026

One-way

Basic

From
$99
Seen: 5 hrs ago

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Explore flights from Charleston to Baltimore/Washington

Sep 2026
From$99*
Seen: 18 hrs ago
One Way/Basic
Oct 2026
From$99*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$99*
Seen: 20 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $99
cmp-daily-histogram-bars-legend-max-price-aria-label $417
Displaying fares for September-2026
  • CHS–BWI, 09/10/2026: From $417
    10

    Thu

    SEP

  • CHS–BWI, 09/11/2026: From $417
    11

    Fri

  • CHS–BWI, 09/12/2026: From $417
    12

    Sat

  • CHS–BWI, 09/13/2026: From $417
    13

    Sun

  • CHS–BWI, 09/14/2026: From $417
    14

    Mon

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

  • CHS–BWI, 09/16/2026: From $274
    16

    Wed

  • CHS–BWI, 09/17/2026: From $274
    17

    Thu

  • CHS–BWI, 09/18/2026: From $274
    18

    Fri

  • CHS–BWI, 09/19/2026: From $274
    19

    Sat

  • CHS–BWI, 09/20/2026: From $274
    20

    Sun

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

  • CHS–BWI, 09/22/2026: From $274
    22

    Tue

  • CHS–BWI, 09/23/2026: From $216
    23

    Wed

  • CHS–BWI, 09/24/2026: From $216
    24

    Thu

  • CHS–BWI, 09/25/2026: From $247
    25

    Fri

  • CHS–BWI, 09/26/2026: From $216
    26

    Sat

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    27

    Sun

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    28

    Mon

  • CHS–BWI, 09/29/2026: From $216
    29

    Tue

  • CHS–BWI, 09/30/2026: From $99
    30

    Wed

  • CHS–BWI, 10/01/2026: From $99
    01

    Thu

    OCT

  • CHS–BWI, 10/02/2026: From $108
    02

    Fri

  • CHS–BWI, 10/03/2026: From $99
    03

    Sat

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    04

    Sun

  • CHS–BWI, 10/05/2026: From $152
    05

    Mon

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    06

    Tue

  • CHS–BWI, 10/07/2026: From $99
    07

    Wed

  • CHS–BWI, 10/08/2026: From $152
    08

    Thu

  • CHS–BWI, 10/09/2026: From $152
    09

    Fri

    • Range$99-$417

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Charleston International Airport
    Arriving at:
    Balt./Wash. International Airport
    Average flight time:
    1 hour 28 minutes
    Distance:
    472 miles

    Route Information

    77† Weekly flights
    • 3‡ Nonstop flights per day Monday through Friday
    • 3‡ Nonstop flights on Saturday
    • 4‡ Nonstop flights on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from Charleston to Baltimore/Washington is 1 hour 28 minutes.
    There are 77 weekly flights from Charleston to Baltimore/Washington on Southwest Airlines.
    Yes, Southwest flies nonstop from Charleston to Baltimore/Washington 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Charleston to Baltimore/Washington 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Charleston to Baltimore/Washington with Southwest, check out our Low Fare Calendar.
    You can rent a car at Balt./Wash. International Airport book yours with your flight.
    Yes! Flights from Charleston to Baltimore/Washington—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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